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34:34 why did we calculated BA when we were asked to calculate AB Is tensor multiplication commutative Please also confirm which tensor us represented as column matrix a covariant tensor or rank one or contravariant
Thank you so much im a student grade 3 and this poem was a chapter in my exam but in my book there was a printing error so i was not able to read it this helped me soo much thank you
You say that a covariant tensor cannot be added to a controvariant tensor. Does that mean that they look different so it is impossible to add them together as matrices or does it mean they look the same and you could indeed add them because they look the same…but you won’t get the correct results
You graphically show how contravariant components change inversely with the basis vectors. But I’ve never seen anybody explain graphically, how covariant components vary directly with the basis vectors. They usually just talk about gradients and move away from any graphical description. Because I think it’s due to the fact that it is impossible to increase a basis, vector and increase a components, if you want to add vectors to add up to the component
Respected mam , If tensor is any physical quantity with magnitude and more than one direction then what is a vector in 3d space . Kindly throw light on the matter
Good explanation... But little confused about the conclusion with the plot of pe and snr. Any way cleared the basics... Thanku so much for making a the class with all the schemes included .
